You need a BAL 400093 stabilizer. When you call to order it, make sure you specify you only need one, not the set of four.
You can get them from any Airstream dealer, including the one in the same town shown in my profile.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
This website is not affiliated with or endorsed by the Airstream, Inc. or any of its affiliates. Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.